Open roles

Caledonian AI Safety supports generative assistants used by tens of thousands of professionals. We obsess over misuse modes, resilient policies, and fast incident containment.Join us in Edinburgh / hybrid UK as an AI Trust & Safety Engineer bridging offensive testing, tooling, and policy…

Perks · Remote-friendly weeks, wellbeing allowance.

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Cantab Reasoning Institute builds internal platforms for LLM evaluation, safety testing, and benchmark governance. We sit between research, product, and policy teams to keep releases evidence-based.Hiring a Research Engineer in Cambridge (hybrid). You will turn evaluation ideas into reliable…

Perks · Academic adjacency, learning stipend.

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Northern Spark Systems operates ML infrastructure for tier-1 UK retail and logistics partners. We optimise GPU utilisation, predictable rollouts, and cost visibility so data science teams ship without fire drills.We are looking for a Lead MLOps Engineer in Manchester (hybrid). You will set…

Perks · Flexible hours, conference budget.

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Meridian Marketplace UK powers discovery for millions of buyers and sellers. Ranking blends classical signals with embeddings and fresh GenAI-assisted features—we need rigorous science and pragmatic experimentation.Join our London hybrid office as a Senior Applied Scientist. You will collaborate…

Perks · Hybrid 3/2, stock options.

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Thames Inference Labs ships assistant and RAG platforms for regulated customers in banking, insurance, and critical infrastructure. We blend pragmatic delivery with strong evaluation and rollback discipline so models never become a black-box liability.We are hiring a Staff LLM Engineer based in…

Perks · Private medical, pension, learning budget, cycle scheme.

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London hybrid team blends classical learning-to-rank with embeddings and GenAI-assisted summaries. We optimise for buyer trust, seller fairness, and measurable GMV lift—not vanity offline metrics.You will collaborate with PM, search infra, and marketplace integrity squads.What you will doDesign…

Perks · Private medical, pension match, commuter scheme.

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CrownMetrics AI Insights recrute un Data Analyst orientE IA pour piloter KPI produit, qualite des reponses LLM et experimentation business.Full remote Royaume-Uni avec collaboration GMT/BST.

Perks · Learning budget, private medical, flexible schedule.

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Cambridge-adjacent R&D cell partners with product teams across Europe to institutionalise evaluation: harnesses, judge calibration, and dataset governance before models reach customers.Hybrid; willingness to publish internal tech notes (not necessarily public papers).What you will doImplement…

Perks · Cycle scheme, learning budget.

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Rivermint Commerce — Blend classical ranking with modern embeddings; A/B infra, exploration, and guardrails for marketplace search.Hybrid London 2 days / week.

Perks · Pension, private medical, learning budget.

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Quillbyte — Contract: developer docs, model cards, and evaluation reports for an open-weights LLM startup.Remote; English native or C2.

Perks · Async; quarterly in-person optional.

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